CN205369002U - Continuous bridge damping device of inertial force activation - Google Patents
Continuous bridge damping device of inertial force activation Download PDFInfo
- Publication number
- CN205369002U CN205369002U CN201620090160.4U CN201620090160U CN205369002U CN 205369002 U CN205369002 U CN 205369002U CN 201620090160 U CN201620090160 U CN 201620090160U CN 205369002 U CN205369002 U CN 205369002U
- Authority
- CN
- China
- Prior art keywords
- lock tube
- locking device
- horizontal
- locking bar
- horizontal locking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a bridge subtracts the shock insulation field, concretely relates to continuous bridge damping device of inertial force activation, and it includes actuating device, locking device, horizontal locking pole and bracket, the horizontal locking pole passes through the bracket and links to each other with the roof beam body, on actuating device and locking device are fixed in movable mound respectively, the horizontal locking pole is arranged in in locking device's the inner space, under the normal condition, the inside headroom of locking device is greater than horizontal locking pole external diameter, and the horizontal locking pole can free level move in locking device, satisfies the normal condition underbeam mound demand of shifting, when the earthquake took place, actuating device drove actuating device's link mechanism swing in inertial force effect swing down, make the inner space shrink of activation locking device and the horizontal locking pole builds in each other to the relative displacement of the restriction roof beam body and activity mound. The the device principle is simple, economy is reliable, can be used to newly -built continuous beam aseismic design and existing continuous bridge antidetonation and consolidates, just with popularization and application.
Description
Technical field
This utility model relates to bridge and subtracts shock insulation field, it is specifically related to the continuous bridge damping device that a kind of inertia force activates, newly-built Aseismic Design and existing building seismic hardening suitable in highway bridge, railway bridge, Urban Bridge and all kinds of Large Scale and Continuous girder construction, during earthquake burst, damping device reliably simple by principle, economic, reach the purpose of structure cooperative bearing, improve structure entirety anti-seismic performance.
Background technology
For the displacement needs that satisfied temperature load causes, one span continuous beam often only arranges an anchor block, this not only makes the shock resistance of anchor block be difficult to meet seismic demand, and make continuous bridge longitudinal direction earthquake dynamic respond bigger, very easily cause the destruction of expansion joint and bearing, even result in the generation of the serious earthquakes such as beam.For reducing the earthquake of continuous bridge, the devices such as viscous damper, hyperboloid spheroidal bearer of shock absorption and insulation and inhaul cable damping support saddle are developed, although certain damping effect can be obtained, but do not change continuous bridge anchor block and individually bear longitudinal earthquake load, and the existing antidetonation potential of other movable pier fails to give full play to the state of utilization.Lock-up device judges locked opportunity with beam pier speed of related movement for index, can realize each pier cooperative bearing in theory, but it is with high costs, later maintenance is complicated, cause its application less.
Utility model content
This utility model purpose be to provide that a kind of inertia force activates, principle is reliable, simple structure, economy and durability, be easy to the novel large-tonnage continuous bridge damping device that checks with safeguard, utilize this utility model, anchor block and each movable pier cooperative bearing can be realized during earthquake burst, reach the earthquake problems such as the continuous bridge solving the conventional design independent stress of anchor block, bridge superstructure length travel under longitudinal geological process be excessive.
For solving the problems referred to above, technical solution adopted in the utility model is:
The continuous bridge damping device that a kind of inertia force activates, its key technology is in that: it includes activating device, locking device, horizontal locking bar and bracket, horizontal locking bar is connected by bracket and continuous bridge beam body are fixing, activate device and locking device is individually fixed on continuous bridge movable pier, described locking device surrounds inner space, described horizontal locking bar is placed in the inner space of described locking device, and described activation device controls the inner space of described locking device by linkage.Under normal condition, the internal headroom of locking device more than horizontal locking bar external diameter, horizontal locking bar can free horizontal movement in locking device, meet normal condition underbeam pier and conjugate demand.During earthquake burst, the pendulum activating device rotates around center-pole under inertia force effect, drive and fix with the activation device collar that the fork of connection is corresponding to be swung, thus activating the lock tube within locking device, lock tube rotates around bearing pin and causes its inner space to diminish, and is mutual build-in state with horizontal locking bar, thus limiting the relative displacement of beam body and movable pier, reach the collaborative anchor block of movable pier and bear the purpose of horizontal earthquake load, thus improving the anti-seismic performance of continuous bridge.
As preferably, described activation device includes the pillar being fixed on movable pier, pillar upper end is provided with center-pole, the collar can rotate around center-pole, pendulum is consolidated in below the collar by connecting rod, and the fork of linkage is consolidated in above the collar, and pendulum, connecting rod and fork are integral by collar-shaped, when earthquake causes pillar with movable pier horizontal movement, pendulum drives fork to rotate around center-pole under inertia force effect.During practical application, by adjusting pendulum weight and the radius of gyration thereof, it is possible to be arranged as required to activate the activation threshold of device.
As preferably, described locking device includes fixing plate, lock tube and slide block, wherein, slide block is circular, between fixing plate and lock tube, so that lock tube and the transmission of fixing plate load and reduction lock tube frictional force when bearing pin rotates, lock tube entirety is semicolumn housing, it is internal is in teeth shape, locking device need two lock tubes with the use of, fixing plate, lock tube and slide block are connected as a single entity by bearing pin, fixing plate is consolidated on movable pier, lock tube can rotate around bearing pin, two lock tubes pass under two struts connections of linkage, between two struts and the connection of strut and lock tube be hinged, when two strut angles are more than design load, lock tube inner space is more than horizontal locking bar external diameter, needed for strut angle, design load can set according to the activation threshold activating device.
As preferably, described horizontal locking bar is cylinder, and outer surface is boss in the form of a ring, and the load that its boss can bear is determined according to movable pier maximum load capacity, and the annular boss scope that arranges along Horizontal lock pole length direction sets as required.
As preferably, the load that the internal single teeth of described lock tube can bear need to more than the ultimate bearing capacity of horizontal locking bar individual ring boss, and its teeth quantity can set as required.
As preferably, described linkage includes two struts and a fork, and two strut one end are hinged with corresponding lock tube, and the other end is hinged with fork, and fork is fixing with the collar activating device to be connected.When earthquake occurs, pendulum will cause linkage action around the rotation of center-pole under inertia force effect, namely fork swings with activating the device collar, cause variable angle between locking device two strut, then lock tube is caused to rotate around bearing pin, when the movable pier motion that earthquake causes reaches the activation threshold activating device, between two struts, angle will less than design load, now lock tube inner space is less than horizontal locking bar external diameter, then the relative motion of restriction beam body and movable pier, reach movable pier and anchor block cooperative bearing, improve the purpose of continuous bridge entirety anti-seismic performance.
The operation principle of described device is:
Normal operation state, the fork of the pendulum and linkage that activate device is in vertical state, the strut of the linkage hinged with fork is the level of state, the internal headroom of locking device is more than horizontal locking bar external diameter, horizontal locking bar can free horizontal movement in locking device, then meet normal operation state underbeam pier Relative Displacement demand.
Earthquake bursty state, earthquake burst will cause the horizontal movement of movable pier, pendulum and fork swing around center-pole in inertia force effect, the strut angle causing linkage is diminished by the rotation of fork, the lock tube of guiding locking device rotates around bearing pin, when the movable pier motion that earthquake causes reaches the activation threshold activating device, the internal teeth of lock tube will in the horizontal mutual build-in of locking bar boss, the relative displacement of restriction beam body and movable pier, superstructure vertical equity earthquake is transferred to movable pier, it is achieved the purpose of each pier cooperative bearing of continuous bridge.
Movable pier guard mode; the core concept of this device is to utilize the antidetonation potential of movable pier; therefore the ultimate bearing capacity a of horizontal locking bar boss need to determine according to the maximum load-carrying capacity b of movable pier; desirable a=2b/3; when earthquake is excessive; the earthquake load causing the be transferred to movable pier of beam body reaches a value; horizontal ledge is surrendered; produce relative displacement when sustained loading is about a value between beam pier; so; the antidetonation potential of movable pier can be played to greatest extent, be avoided that again movable pier stress is excessive and destroy.
Beneficial effect
Of the present utility model having the benefit effect that researches and develops what a kind of inertia force activated, principle is reliable, simple structure, economy and durability, it is easy to the novel large-tonnage continuous bridge damping device checking with safeguarding, utilize occlusion power transmission principle, reach each pier of continuous bridge purpose of cooperative bearing under seismic loading, suitable in highway bridge, railway bridge, the newly-built Aseismic Design of Urban Bridge and all kinds of Large Scale and Continuous girder construction and existing building seismic hardening, during earthquake burst, simple by principle, economic damping device reliably, reach the purpose of structure cooperative bearing, improve structure entirety anti-seismic performance.
This utility model has beam body and movable pier connects in good time and movable pier capacity protection function, both can play the antidetonation potential of movable pier to greatest extent when earthquake happens suddenly, and can be prevented effectively from again that movable pier stress is excessive and the structural deterioration that causes.
This utility model has Self-resetting function, after earthquake stops, pendulum is under gravity in vertical state, fork swings can recover to initial level state the strut of drivening rod mechanism with pendulum, then the lock tube of locking device is flared out, realize the Self-resetting of damping device, do not affect shake axle casing normal operation.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 is the main TV structure schematic diagram that this utility model activates device.
Fig. 3 is the side-looking structural representation that this utility model activates device.
Fig. 4 is the main TV structure schematic diagram of this utility model locking device.
Fig. 5 is the sectional structure schematic diagram of this utility model locking device.
Fig. 6 is the main TV structure schematic diagram under this utility model normal operation state.
Fig. 7 is the A-A sectional structure schematic diagram of Fig. 6.
Fig. 8 is the main TV structure schematic diagram under this utility model earthquake bursty state.
Fig. 9 is the side-looking structural representation under this utility model earthquake bursty state.
Figure 10 is structural representation under this utility model movable pier guard mode.
Figure 11 is the partial enlargement structural representation in A portion in Figure 10.
Wherein: 1 activates device, 1-1 pendulum, 1-2 connecting rod, 1-3 center-pole, the 1-4 collar, 1-5 fork, 1-6 pillar, 2 locking devices, 2-1 fixing plate, 2-2 lock tube, 2-3 slide block, 2-4 bearing pin, 2-5 strut, 3 horizontal locking bars, 4 brackets, 5 beam body, 6 movable piers.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing 1-11 and specific embodiment, utility model is carried out clear, complete description.
The structure of the present embodiment is as Figure 1-5, the continuous bridge damping device that a kind of inertia force activates, it includes activating device 1, locking device 2, horizontal locking bar 3 and bracket 4, horizontal locking bar 3 is connected by bracket 4 is fixing with continuous bridge beam body 5, activate device 1 and locking device 2 is individually fixed on the movable pier 6 of continuous bridge, described locking device 2 surrounds inner space, described horizontal locking bar 3 is placed in the inner space of described locking device 2, and described activation device 1 controls the inner space of described locking device 2 by linkage.
As shown in Figures 2 and 3, described activation device 1 includes two the pillar 1-6 being fixed on movable pier 6, described in two, pillar 1-6 upper end is provided with center-pole 1-3, center-pole 1-3 crosses between two pillar 1-6, described center-pole 1-3 is provided with collar 1-4, collar 1-4 can rotate around center-pole 1-3, pendulum 1-1 is consolidated in below collar 1-4 by connecting rod 1-2, the fork 1-5 of linkage is consolidated in above collar 1-4, pendulum 1-1, connecting rod 1-2 and fork 1-5 forms entirety by collar 1-4, when earthquake causes pillar 1-6 with movable pier 6 horizontal movement, pendulum 1-1 drives fork 1-5 to rotate around center-pole 1-3 under inertia force effect.During practical application, by adjusting pendulum 1-1 weight and the radius of gyration thereof, it is possible to be arranged as required to activate the activation threshold of device 1.
nullAs shown in Figures 4 and 5，Described locking device 2 includes fixing plate 2-1、Lock tube 2-2 and slide block 2-3，Wherein，Slide block 2-3 is circular，Between fixing plate 2-1 and lock tube 2-2，Lock tube 2-2 entirety is semicolumn housing，It is internal is in teeth shape，Locking device 2 need two lock tube 2-2 with the use of，Fixing plate 2-1、Lock tube 2-2 and slide block 2-3 is connected as a single entity by bearing pin 2-4，Fixing plate 2-1 is consolidated on movable pier 6，Lock tube 2-2 can rotate around bearing pin 2-4，Two lock tube 2-2 pass under two strut 2-5 connections of linkage，Two strut 2-5 are hinged with the lock tube 2-2 of respective side respectively，The other end of two strut 2-5 is all hinged with the fork 1-5 upper end of described linkage，When the angle of two strut 2-5 is more than design load，Lock tube 2-2 inner space is more than the external diameter of horizontal locking bar 3，Strut 2-5 angle can set according to the activation threshold activating device more than design load.
A described two strut 2-5 and fork 1-5 collectively form the linkage of the inner space controlling described locking device 2, described in two, strut 2-5 one end is hinged with corresponding lock tube 2-2, the other end is hinged with described fork 1-5, described fork 1-5 and described collar 1-4 is fixing to be connected, the swing of fork 1-5 drives described strut 2-5 linkage, so that lock tube 2-2 rotates around bearing pin 2-4.
Described horizontal locking bar 3 is cylinder, its outer surface boss in the form of a ring, and the load that its boss can bear is determined according to the maximum load capacity of movable pier 6, and the annular boss scope that arranges along horizontal locking bar 3 length direction sets as required.The load that the internal single teeth of lock tube 2-2 can bear need to more than the ultimate bearing capacity of horizontal locking bar 3 individual ring boss, and its teeth quantity can set as required.
Under normal condition, the internal headroom of locking device 2 more than the external diameter of horizontal locking bar 3, horizontal locking bar 3 can free horizontal movement locking device 2 in, meet normal condition underbeam pier and conjugate demand.
During earthquake burst, the pendulum 1-1 activating device 1 rotates around center-pole 1-3 under inertia force effect, the fork 1-5 of connection is corresponding to be swung to drive the collar 1-4 with activation device 1 to fix, thus activating the lock tube 2-2 within locking device 2, lock tube 2-2 rotates around bearing pin 2-4 and causes its inner space to diminish, with horizontal locking bar 3 in mutual build-in state, thus limiting beam body 5 and the relative displacement of movable pier 6, reach the collaborative anchor block of movable pier and bear the purpose of horizontal earthquake load, thus improving the anti-seismic performance of continuous bridge.
As Figure 6-9, it is hinged between the fork 1-5 and the strut 2-5 of locking device 2 of described activation device 1, when earthquake causes that pendulum 1-1 drives fork 1-5 to rotate around center-pole 1-3 under inertia force effect, the motion of fork 1-5 will cause variable angle between two strut 2-5 of locking device 2, then lock tube 2-2 is caused to rotate around bearing pin 2-4, when movable pier 6 motion that earthquake causes reaches the activation threshold activating device 1, between two strut 2-5, angle will less than design load, now lock tube 2-2 inner space is less than the external diameter of horizontal locking bar 3, then the relative motion of restriction beam body 5 and movable pier 6, reach movable pier 6 and anchor block cooperative bearing, improve the purpose of continuous bridge entirety anti-seismic performance.
As described in figures 1 and 5, normal operation state, the fork 1-5 of the pendulum 1-1 and linkage that activate device 1 is in vertical state, two the linkage strut 2-5s hinged with fork 1-5 are the level of state, the internal headroom of locking device 2 is more than horizontal locking bar 3 external diameter, horizontal locking bar 3 can free horizontal movement in locking device 2, then meet normal operation state underbeam pier Relative Displacement demand.
As shown in Figures 6 and 7, in normal operation state underbeam pier Relative Displacement process, pendulum 1-1 drives fork 1-5 when center-pole 1-3 rotates under inertia force effect, the motion of fork 1-5 will cause variable angle between two strut 2-5 of locking device 2, then lock tube 2-2 is caused to rotate around bearing pin 2-4, but movable pier 6 motion does not reach the activation threshold activating device 1 in normal beam pier phase place change, although angle reduces between two strut 2-5, but still above design load, now lock tube 2-2 inner space is still above the external diameter of horizontal locking bar 3, relative motion without limitation on beam body 5 and movable pier 6.
As shown in FIG. 8 and 9, earthquake bursty state, the horizontal movement that earthquake burst will cause movable pier 6, pendulum 1-1 and fork 1-5 swings around center-pole 1-3 in inertia force effect, the strut 2-5 angle causing locking device 2 is diminished by the rotation of fork 1-5, lock tube 2-2 is guided to rotate around bearing pin 2-4, when movable pier 6 motion that earthquake causes reaches the activation threshold activating device, the internal teeth of lock tube 2-2 will in the horizontal locking bar 3 mutual build-in of boss, the relative displacement of restriction beam body 5 and movable pier 6, superstructure vertical equity earthquake is transferred to movable pier 6, realize the purpose of each pier cooperative bearing of continuous bridge.
As shown in FIG. 10 and 11; movable pier 6 guard mode; the core concept of this device is to utilize the antidetonation potential of movable pier 6; therefore the ultimate bearing capacity a of horizontal locking bar boss need to determine according to the maximum load-carrying capacity b of movable pier; desirable a=2b/3; when earthquake is excessive; the earthquake load causing the be transferred to movable pier 6 of beam body 5 reaches a value; horizontal ledge is surrendered; produce relative displacement when sustained loading is about a value between beam pier; such that the antidetonation potential of movable pier can be played to greatest extent, it is avoided that again movable pier stress is excessive and destroys.
As another embodiment, connection damping energy dissipation device can be installed between horizontal locking bar 3 and bracket 4 or the Slipper in locking device is set up under damping energy dissipation device inertia force effect, after Liang Dun is locked by above-mentioned damping device, superstructure earthquake load is transferred in the process of movable pier can also pass through damping energy dissipation, improves Seismic Design of Continuous Girder Bridges performance further.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in previous embodiment still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of this utility model embodiment technical scheme.
Claims (6)
1. the continuous bridge damping device that an inertia force activates, it is characterized in that: it includes activating device (1), locking device (2), horizontal locking bar (3) and bracket (4), horizontal locking bar (3) is connected with beam body (5) by bracket (4), activate device (1) and locking device (2) is individually fixed on movable pier (6), described locking device (2) surrounds inner space, described horizontal locking bar (3) is placed in the inner space of described locking device (2), and described activation device (1) controls the inner space of described locking device (2) by linkage；
Under normal condition, the internal headroom of described locking device (2) more than described horizontal locking bar (3) external diameter, horizontal locking bar (3) can free horizontal movement locking device (2) in, meet normal condition underbeam pier and conjugate demand；
When earthquake occurs, described activation device (1) is at inertia force effect lower swing, then the linkage activated between device (1) and locking device (2) is driven to swing, locking device (2) inner space is caused to be shunk, and with described horizontal locking bar (3) mutually build-in, thus limiting beam body (5) and the relative displacement of movable pier (6).
null2. the continuous bridge damping device that a kind of inertia force according to claim 1 activates，It is characterized in that: described activation device (1) includes two pillars (1-6) being fixed on movable pier (6)、It is fixedly installed the center-pole (1-3) between pillar described in two (1-6)、It is arranged on the collar (1-4) on described center-pole (1-3) and pendulum (1-1)，The described collar (1-4) can rotate around center-pole (1-3)，Described pendulum (1-1) is consolidated in the collar (1-4) lower section by connecting rod (1-2)，The described collar (1-4) is fixing with described linkage to be connected，When earthquake causes pillar (1-6) with movable pier (6) horizontal movement，Pendulum (1-1) drives the collar (1-4) to rotate around center-pole (1-3) under inertia force effect，The collar (1-4) drives described linkage action.
null3. the continuous bridge damping device that a kind of inertia force according to claim 2 activates，It is characterized in that: described locking device (2) includes two fixing plates (2-1)、Two lock tubes (2-2) and two slide blocks (2-3)，Wherein，Fix plate (2-1) described in two to be fixed on movable pier (6)，Described lock tube (2-2) is overall in semicolumn housing，The bearing pin (2-4) that lock tube described in two (2-2) top is fixed between plate (2-1) by being fixed on described in two is hinged，Slide block described in two (2-3) is for circular and be positioned between fixing plate (2-1) and lock tube (2-2)，So that lock tube (2-2) transmits with fixing plate (2-1) load and reduces the lock tube (2-2) frictional force when bearing pin (2-4) rotates，It is beneficial to lock tube described in two (2-2) to rotate around bearing pin (2-4)，Two lock tubes (2-2) pass under described linkage and are connected with the collar (1-4) of described activation device (1).
4. the continuous bridge damping device that a kind of inertia force according to claim 3 activates, it is characterized in that: described linkage includes two struts (2-5) and a fork (1-5), strut described in two (2-5) one end is hinged with corresponding lock tube (2-2), the other end is hinged with described fork (1-5), and described fork (1-5) is fixing with the described collar (1-4) to be connected.
null5. the continuous bridge damping device that a kind of inertia force according to claim 4 activates，It is characterized in that: hinged between described fork (1-5) and strut (2-5)，When two strut (2-5) angles are more than design load，Lock tube (2-2) inner space is more than horizontal locking bar (3) external diameter，When earthquake causes that pendulum (1-1) drives fork (1-5) to rotate around center-pole (1-3) under inertia force effect，The motion of described fork (1-5) will cause that lock tube (2-2) rotates around bearing pin (2-4)，When movable pier (6) motion that earthquake causes reaches the activation threshold activating device (1)，Between strut described in two (2-5), angle will less than design load，Cause lock tube (2-2) inner space less than horizontal locking bar (3) external diameter，Then beam body (5) and the relative motion of movable pier (6) are limited.
6. the continuous bridge damping device that a kind of inertia force according to any one of claim 3-5 activates, it is characterized in that: described horizontal locking bar (3) is cylinder, its outer surface boss in the form of a ring, the load that described annular boss can bear is determined according to movable pier maximum load capacity, lock tube described in two (2-2) is internal in teeth shape, and the load that its internal teeth can bear is more than the bearing capacity of described horizontal locking bar (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620090160.4U CN205369002U (en) | 2016-01-29 | 2016-01-29 | Continuous bridge damping device of inertial force activation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620090160.4U CN205369002U (en) | 2016-01-29 | 2016-01-29 | Continuous bridge damping device of inertial force activation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205369002U true CN205369002U (en) | 2016-07-06 |
Family
ID=56270493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620090160.4U Withdrawn - After Issue CN205369002U (en) | 2016-01-29 | 2016-01-29 | Continuous bridge damping device of inertial force activation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205369002U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105586827A (en) * | 2016-01-29 | 2016-05-18 | 石家庄铁道大学 | Continuous beam bridge vibration reduction device with inertia force activating function |
| CN107022951A (en) * | 2017-05-18 | 2017-08-08 | 石家庄铁道大学 | A kind of continuous bridge grading control, the damping device for connecting of two-way antidetonation |
| CN107217583A (en) * | 2017-07-24 | 2017-09-29 | 石家庄铁道大学 | A kind of continuous bridge strut damping device of acceleration activation |
| CN108895208A (en) * | 2018-08-03 | 2018-11-27 | 重庆君道消防安全技术股份公司 | Variable fixed frequency para-seismic support |
-
2016
- 2016-01-29 CN CN201620090160.4U patent/CN205369002U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105586827A (en) * | 2016-01-29 | 2016-05-18 | 石家庄铁道大学 | Continuous beam bridge vibration reduction device with inertia force activating function |
| CN107022951A (en) * | 2017-05-18 | 2017-08-08 | 石家庄铁道大学 | A kind of continuous bridge grading control, the damping device for connecting of two-way antidetonation |
| CN107217583A (en) * | 2017-07-24 | 2017-09-29 | 石家庄铁道大学 | A kind of continuous bridge strut damping device of acceleration activation |
| CN107217583B (en) * | 2017-07-24 | 2018-10-12 | 石家庄铁道大学 | A kind of continuous bridge strut damping device of acceleration activation |
| CN108895208A (en) * | 2018-08-03 | 2018-11-27 | 重庆君道消防安全技术股份公司 | Variable fixed frequency para-seismic support |
| CN108895208B (en) * | 2018-08-03 | 2024-05-03 | 重庆君道消防安全技术股份公司 | Variable fixed frequency anti-seismic bracket |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205369002U (en) | Continuous bridge damping device of inertial force activation | |
| CN104278620B (en) | The ball of Self-resetting can enter formula winged and wave shock insulation pier stud | |
| CN104453002B (en) | One waves damping Self-resetting assembly and preparation method thereof | |
| CN211815489U (en) | Super large span flying swallow type concrete filled steel tube arch bridge with self-anchoring suspension cable system | |
| CN109868898B (en) | A kind of assembled Self-resetting node | |
| CN105862571A (en) | Bridge anti-seismic and anti-overturning construction and bridge anti-seismic and anti-overturning method | |
| CN209178797U (en) | A kind of bridge earthquake resistance attachment device | |
| JP4945151B2 (en) | Bridge | |
| CN107675634A (en) | A kind of steel reinforced concrete combined bridge antidumping bracing means and its construction method | |
| CN105586827B (en) | Continuous beam bridge vibration reduction device with inertia force activating function | |
| JP2012255330A (en) | Damper to be rigid-frame in earthquake, earthquake resistance improving construction method of dam sluice gate piers and earthquake resistance improving construction method of bridge | |
| CN109519025B (en) | Energy dissipation and shock absorption system for cantilever truss of scissor supporting mechanism | |
| CN104120654A (en) | Prefabricated segment beam bridge girder erection machine and segment beam assembly method | |
| CN110847423A (en) | Shear wall structure with semi-steel connecting frame filled with reinforced concrete | |
| CN208151847U (en) | A kind of bridge aseismic devices | |
| CN215253455U (en) | Assembled multidirectional swing self-resetting barrel structure system | |
| CN214245330U (en) | Novel large-tonnage tension swing pier structure of cable-stayed bridge auxiliary pier | |
| CN114214923A (en) | Bridge damping cantilever system | |
| CN111021567B (en) | Damping structure of small-sized residence | |
| CN112982672A (en) | Damping energy-consuming type outrigger truss high-rise structure system | |
| CN114150914A (en) | Passive negative-stiffness energy dissipation cantilever system for super high-rise building | |
| CN206495133U (en) | Long-Span Concrete Filled Steel Tubular Arch Bridges structure | |
| CN207904738U (en) | Strap arch bridge | |
| CN111155410A (en) | Continuous bridge floor and medium and small span continuous rigid frame composite structure | |
| CN112695607A (en) | Construction method and system for asymmetric cantilever beam of cable-stayed bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160706 Effective date of abandoning: 20170322 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |